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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I’ll have a look at this too. My demo instance had a point player so it certainly should be working. Can you share your data (contact me off list if you’d like)?
--Steve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> mapserver-users [mailto:mapserver-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Caleb Lee<br>
<b>Sent:</b> Wednesday, August 08, 2018 12:40 PM<br>
<b>To:</b> Rahkonen Jukka (MML) <jukka.rahkonen@maanmittauslaitos.fi>; mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> Re: [mapserver-users] Getting an empty MVT output for a point layer<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">I will be away for a while so I cannot do that right now. However, I can do that probably early next week.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">If it helps, I just tried WMS request to generate both png and mvt and I got the similar result:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">1. WMS request with FORMAT set to image/png <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"> - I got a png image with 50k points drawn)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=image/png<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">2. <span style="background:white">WMS request with application/x-protobuf</span><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black;background:white"> - got the same result like the following:</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black;background:white"> <br>
nodesIdName(€ x</span><span style="font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><a href="http://xxx.com/cgi-bin/mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=application/x-protobuf" id="LPlnk113228">mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&layers=nodes&width=800&height=600&srs=epsg:3857&STYLES=&bbox=-8979930,4769116,-8362889,5173075&FORMAT=application/x-protobuf</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Caleb<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Rahkonen Jukka (MML) <<a href="mailto:jukka.rahkonen@maanmittauslaitos.fi">jukka.rahkonen@maanmittauslaitos.fi</a>><br>
<b>Sent:</b> Wednesday, August 8, 2018 12:00 PM<br>
<b>To:</b> Caleb Lee; <a href="mailto:mapserver-users@lists.osgeo.org">mapserver-users@lists.osgeo.org</a><br>
<b>Subject:</b> Re: Getting an empty MVT output for a point layer</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="xmsonormal"><span lang="FI" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi,</span><span lang="FI"><o:p></o:p></span></p>
<p class="xmsonormal"><span lang="FI" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><span lang="FI"><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We do not have your data for testing but please modify your mapfile a bit and make it to work with some public dataset, like Natural Earth populated places
<a href="https://www.naturalearthdata.com/http/www.naturalearthdata.com/download/110m/cultural/ne_110m_populated_places.zip">
https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/ne_110m_populated_places.zip</a>?</span><span lang="FI"><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><span lang="FI"><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Jukka Rahkonen.</span><span lang="FI"><o:p></o:p></span></p>
<p class="xmsonormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><b><span lang="FI" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Lähettäjä:</span></b><span lang="FI" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> mapserver-users [<a href="mailto:mapserver-users-bounces@lists.osgeo.org">mailto:mapserver-users-bounces@lists.osgeo.org</a>]
<b>Puolesta </b>Caleb Lee<br>
<b>Lähetetty:</b> 8. elokuuta 2018 17:47<br>
<b>Vastaanottaja:</b> <a href="mailto:mapserver-users@lists.osgeo.org">mapserver-users@lists.osgeo.org</a><br>
<b>Aihe:</b> [mapserver-users] Getting an empty MVT output for a point layer</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI"> <o:p></o:p></span></p>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">I am using MapServer 7.2.0 to generate mvt for two layers (one line layer and one point layer). I am able to generate mvt output for a line layer but is having problem
with a point layer. The mvt output is kind of empty (just contains layer name and column names). I am getting correct geojson outputs for both layers using WFS.</span><span lang="FI"><o:p></o:p></span></p>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">Here is the URL that I use to get MVT output:</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">mapserv?map=D:\home\site\wwwroot\100k_3857_node.map&mode=tile&tilemode=gmap&tile=18+24+6&layers=nodes&map.imagetype=mvt</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">Here is the map file:</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">MAP</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> EXTENT -9036156 4707746 -8243569 5174793</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> CONFIG "PROJ_LIB" "D:\proj\SHARE"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> NAME "TestMap"</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
</div>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> WEB</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> METADATA</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "ows_enable_request" "*"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> PROJECTION</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "init=epsg:3857"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> OUTPUTFORMAT</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> NAME "mvt"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> DRIVER MVT</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> FORMATOPTION "EDGE_BUFFER=20"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> LAYER</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> NAME "nodes"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> TYPE POINT</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> STATUS DEFAULT</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> CONNECTIONTYPE PLUGIN</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> PLUGIN "msplugin_mssql2008.dll"</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> CONNECTION "Connection to SQL Server Spatial"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> DATA "GeomCol from MyTable USING UNIQUE id USING SRID=3857"</span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> CLASS</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> STYLE</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> COLOR 0 0 0</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> PROJECTION</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "+init=epsg:3857"</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> METADATA</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "wfs_title" "WFS service for Nodes"</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "wfs_srs" "EPSG:3857 EPSG:4326"</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "wfs_abstract" "WFS service for Nodes"
</span><span lang="FI"><o:p></o:p></span></p>
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<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "wfs_enable_request" "*" </span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> "gml_include_items" "all"</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">END</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">With almost an identical map file and an url (layer name and table name differ), I am getting a good mvt output for my line layer.</span><span lang="FI"><o:p></o:p></span></p>
</div>
<div>
<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black"> </span><span lang="FI"><o:p></o:p></span></p>
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<p class="xmsonormal"><span lang="FI" style="font-family:"Calibri",sans-serif;color:black">Any suggestions would be greatly appreciated.</span><span lang="FI"><o:p></o:p></span></p>
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